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.IX Title "guestfs-tools-release-notes-1.54 1"
.TH guestfs-tools-release-notes-1.54 1 2026-07-11 guestfs-tools-1.56.0 "Virtualization Support"
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.SH NAME
guestfs\-tools\-release\-notes \- guestfs tools release Notes
.SH "RELEASE NOTES FOR GUESTFS TOOLS 1.54"
.IX Header "RELEASE NOTES FOR GUESTFS TOOLS 1.54"
These are the release notes for guestfs tools stable release 1.54.
This describes the major changes since 1.52.
.PP
Guestfs tools 1.54.0 was released on \fB21st May 2025\fR.
.SS "New repository location"
.IX Subsection "New repository location"
The upstream git repository is now:
https://github.com/libguestfs/guestfs\-tools
.SS virt\-customize
.IX Subsection "virt-customize"
New \fI\-\-inject\-blnsvr\fR which can be used to inject the Windows memory
balloon server into guests.
.PP
\&\fI\-\-inject\-virtio\-win\fR no longer supports the \f(CW\*(C`osinfo\*(C'\fR method (use
libosinfo for virtio\-win driver information), as it is no longer
maintained and had got quite out of date.  The default method using
virtio\-win directory names is more reliable and preferred in all
instances (Cole Robinson).
.SS virt\-drivers
.IX Subsection "virt-drivers"
Handle large output of the \fBrpm\fR\|(1) command when listing drivers in
some SUSE guests.
.SS virt\-make\-fs
.IX Subsection "virt-make-fs"
Use the \fBfile\fR\|(1) \fI\-S\fR option to disable seccomp protection when we
also use the \fBfile\fR\|(1) \fI\-z\fR option, as the two options are
incompatible and cause crashes on some Linux distros.
.SS virt\-resize
.IX Subsection "virt-resize"
Correct the calculation of the target disk.  In some cases with the
\&\fI\-\-resize\fR option it was not calculated correctly and partition
creation on the target would fail with a confusing error.
.PP
We now use stderr consistently for debug messages.
.SS "Common changes"
.IX Subsection "Common changes"
Add support for LoongArch (liuxiang from Loongson).
.PP
Fix OCaml bytecode builds (Jerry James, Ilya Leoshkevich).
.PP
Allow \f(CW\*(C`nbd+unix://\*(C'\fR URIs in \fI\-a\fR parameters to several tools.
.PP
Add a git\-publish profile (Kashyap Chamarthy).
.SS "Build changes"
.IX Subsection "Build changes"
json\-c is now required.  This replaces Jansson which was previously
used for parsing JSON input files.
.PP
OCaml ≥ 4.08 is now required.
.PP
OCaml oUnit is no longer used.
.PP
We now assume that \f(CW\*(C`_\|_attribute_\|_((cleanup))\*(C'\fR always works.  This
requires gcc or Clang.
.PP
Add support for GCC 14 and 15.
.PP
Some deprecated autoconf macros are no longer used.
.PP
Fix some issues when building on macOS (Mohamed Akram).
.PP
Fix compatibility with GNU gettext 0.25.
.SS Internals
.IX Subsection "Internals"
The tests were modified to use a set of common functions and remove
use of the weird \f(CW$TEST_FUNCTIONS\fR macro, similar to how we do it in
nbdkit.
.PP
Some internal OCaml List and String functions that we used have been
replaced by ones from the OCaml stdlib, reducing code maintenance.
.SS "Bugs fixed"
.IX Subsection "Bugs fixed"
.IP https://issues.redhat.com/browse/RHEL\-32099 4
.IX Item "https://issues.redhat.com/browse/RHEL-32099"
Harden grub2\-mkconfig to avoid overwriting /boot/efi/EFI/redhat/grub.cfg
.IP https://issues.redhat.com/browse/RHEL\-67560 4
.IX Item "https://issues.redhat.com/browse/RHEL-67560"
Improve the error info when virt\-customize options are used for incompatible guest OS [rhel\-9.7]
.IP https://issues.redhat.com/browse/RHEL\-67565 4
.IX Item "https://issues.redhat.com/browse/RHEL-67565"
Improve the error info when virt\-customize options are used for incompatible guest OS [rhel\-10.1]
.IP https://issues.redhat.com/browse/RHEL\-77989 4
.IX Item "https://issues.redhat.com/browse/RHEL-77989"
CentOS 9 Migration from VMWare to Openshift Virt fails [rhel\-9.6]
.IP https://issues.redhat.com/browse/RHEL\-80214 4
.IX Item "https://issues.redhat.com/browse/RHEL-80214"
virt\-drivers fails on opensuse guest if kernel\-source is installed
.IP https://github.com/libguestfs/guestfs\-tools/issues/16 4
.IX Item "https://github.com/libguestfs/guestfs-tools/issues/16"
Issues building on macOS
.SH "SEE ALSO"
.IX Header "SEE ALSO"
http://libguestfs.org/
.SH AUTHORS
.IX Header "AUTHORS"
.IP "Jerry James" 4
.IX Item "Jerry James"
.PD 0
.IP "Kashyap Chamarthy" 4
.IX Item "Kashyap Chamarthy"
.IP "Richard W.M. Jones" 4
.IX Item "Richard W.M. Jones"
.IP liuxiang 4
.IX Item "liuxiang"
.PD
.SH COPYRIGHT
.IX Header "COPYRIGHT"
Copyright (C) 2009\-2025 Red Hat Inc.
.SH LICENSE
.IX Header "LICENSE"
This program is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 2 of the License, or (at your
option) any later version.
.PP
This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
General Public License for more details.
.PP
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110\-1301 USA.
.SH BUGS
.IX Header "BUGS"
To get a list of bugs against libguestfs, use this link:
https://bugzilla.redhat.com/buglist.cgi?component=libguestfs&product=Virtualization+Tools
.PP
To report a new bug against libguestfs, use this link:
https://bugzilla.redhat.com/enter_bug.cgi?component=libguestfs&product=Virtualization+Tools
.PP
When reporting a bug, please supply:
.IP \(bu 4
The version of libguestfs.
.IP \(bu 4
Where you got libguestfs (eg. which Linux distro, compiled from source, etc)
.IP \(bu 4
Describe the bug accurately and give a way to reproduce it.
.IP \(bu 4
Run \fBlibguestfs\-test\-tool\fR\|(1) and paste the \fBcomplete, unedited\fR
output into the bug report.